The amount of water on the earth’s surface alone makes it pretty obvious that it did not come from comets. There aren’t enough comets out there. Besides, where do comets get their water that earth couldn’t also get it from?
Point, set, match... We have a Winner.
I bet it was “in the beginning....”
I've been thinking the exact same thing. This should be called "the kicking the can down the road" fallacy.
Earth formed in portion of solar system known as “rock zone”
where volatile elements were evaporated by the sun’s heat
Most of the water came from farther out in the solar system
in the “ice zone”
Look at Europa (Moon of Jupiter) which is covered in ice